/**
 * @author Maximilian Csuk
 * @author Konrad Paumann
 * @author Bernhard Denner
 */

public class NotaNumber implements Number {
	
	public Number eval() {
		return this;
	}
	/**
	 * Returns the string representation
	 */
	public String toString() {
		return "NaN";
	}
	
}
